[beta] macro: fix issue with sequence repetitions on beta #40411
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Thanks so much for the quick fix @jseyfried! Also holy cow that's a christmas tree of linked issues. |
alexcrichton
changed the title
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Thank you @jseyfried |
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Cherry-picked onto #40401 |
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This fixes #40381 by fixing #39390 on beta.
#39118 (currently in beta) worsened preexisting issue #39390, which I fixed entirely on nightly in #39419.
#39419 is large and the fix is a breaking change (in theory), so I tried to be clever and make beta bug-for-bug compatible with stable in #39730. However, #39390 didn't impact stable as much as I thought and I ended up introducing a new bug (#40381).
This PR fixes #39390 entirely on beta as minimally as possible. While it is technically a [breaking-change], we haven't seen any breakage from #39419 on the nightlies or with Crater.
r? @nrc